Babesiosis Statistics

In 2022, 61 confirmed and probable babesiosis cases were reported in Minnesota. The majority of cases first experienced symptoms in June, July, or August. Cases of babesiosis are more common in older adults and people with immunocompromising conditions.

• 37 (61%) cases were males
• Median case age was 65 years (range, 4 to 87 years)
• 23 (38%) cases were hospitalized for their infection for a median duration of 4 days (range, 3 to 16 days)

Charts and Graphs

• Reported Cases of Babesiosis in Minnesota by Year, 1996-2022 (PDF)
  Graph showing the number of reported cases of Babesiosis in Minnesota by year.

Maps

Most babesiosis cases report likely exposure to blacklegged ticks in the same east-central, north-central, and southeast Minnesota counties where the risk of Lyme disease is greatest.

• High Risk Areas for Tickborne Diseases in Minnesota
  A map that shows counties of highest tickborne disease risk in Minnesota.

Annual Summary Statistics

• Babesiosis: Annual Summary of Reportable Diseases
  The Minnesota Department of Health collects information on infectious diseases for the purposes of determining disease impact, assessing trends in disease occurrence, characterizing affected populations, prioritizing control efforts, and evaluating prevention strategies, and reports statistics annually.  Note: There are no listings for years in which there were no cases reported. The annual summary archives available on the web go back to 1997.

National Statistics

• CDC: Data and Statistics on Babesiosis
  Maps, charts, tables, and reports from the CDC.